(PowerShell) DNS Query SOA Records

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Shows how to perform a DNS query to retrieve SOA records.

Note: This example requires Chilkat v9.5.0.96 or later.

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Add-Type -Path "C:\chilkat\ChilkatDotNet47-9.5.0-x64\ChilkatDotNet47.dll"

$dns = New-Object Chilkat.Dns

$json = New-Object Chilkat.JsonObject
$json.EmitCompact = $false

$success = $dns.Query("SOA","x.com",$json)
if ($success -eq $false) {
    $($dns.LastErrorText)
    exit
}

$($json.Emit())

# Sample response.
# Parsing code below..

# {
#   "answer": {
#     "soa": [
#       {
#         "name": "x.com",
#         "ttl": 1800,
#         "mname": "alexia.ns.cloudflare.com",
#         "rname": "dns.cloudflare.com",
#         "serial": -1971124188,
#         "refresh": 10000,
#         "retry": 2400,
#         "expire": 604800,
#         "minttl": 1800
#       }
#     ]
#   }
# }

# Use this online tool to generate parsing code from sample JSON: 
# Generate Parsing Code from JSON

$i = 0
$count_i = $json.SizeOfArray("answer.soa")
while ($i -lt $count_i) {
    $json.I = $i
    $name = $json.StringOf("answer.soa[i].name")
    $ttl = $json.IntOf("answer.soa[i].ttl")
    $mname = $json.StringOf("answer.soa[i].mname")
    $rname = $json.StringOf("answer.soa[i].rname")
    $serial = $json.IntOf("answer.soa[i].serial")
    $refresh = $json.IntOf("answer.soa[i].refresh")
    $retry = $json.IntOf("answer.soa[i].retry")
    $expire = $json.IntOf("answer.soa[i].expire")
    $minttl = $json.IntOf("answer.soa[i].minttl")
    $i = $i + 1
}